The number of new state and local government retirees hit a record 30,772 in 2010, according to the state Comptroller’s Office. That’s a 52 percent increase from 2009, when 20,228 workers retired. For schools, the number of teacher and administrator retirements was among the highest on record. School retirees soared from 5,501 to 8,423 over the past two school years, an increase of 53 percent, according to the state Teachers’ Retirement System.